Don't lose a second of your precious time on the road or in-flight. The Automobile and Airline DC Power Adapters for Notebook Computers will keep you powered in a car, truck, RV, boat or airplane. Approved by IBM, Dell and Panasonic the adapters are engineered to meet the highest standards of quality, safety and reliability. All the adapters are housed in aluminum for durability. The offered item is intended for use with Dell Inspiron 3500 and 7000 series computers.